Wafer (noun)

A thin disk of some material, such as semiconductor, used in electronic devices.

Origin:

Old english wæfer, of germanic origin; related to dutch wafel and german waffel, from a base meaning "weave", because of the pattern on the surface.

Examples:

1. The computer chip was made out of silicon wafer.
2. The wafer was sliced into thin layers to make the solar cell.
3. The wafer was carefully cleaned before the process of doping.
4. The wafer had to be handled with care to avoid any damage.
5. The new wafer technology was expected to revolutionize the industry.